Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Ka4 draw
3 Ka5 draw
4 Kb3 draw
5 Kc4 draw
6 Kc5 draw
7 Ra7 draw
8 Rb5 draw
9 Rb6 draw
10 Kb5 loss in 8 half-moves
11 Ka3 loss in 6 half-moves
12 Kc3 loss in 2 half-moves
13 Rc7 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Rg7 loss in 2 half-moves
18 Rh7 loss in 1 half-moves